Home / 30,453.54-41,998.62-19,124.08

Finding the Fourth Proportional to 30,453.54, 41,998.62 and 19,124.08

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Solution

The fourth proportional to 30,453.54, 41,998.62 and 19,124.08 is: 26,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.54 : 41,998.62 = 19,124.08 : x
  2. Step 2: Convert to fraction form
    30,453.54/41,998.62 = 19,124.08/x
  3. Step 3: Cross multiply
    30,453.54x = 41,998.62 × 19,124.08
  4. Step 4: Simplify right side
    30,453.54x = 803,184,968.77
  5. Step 5: Solve for x
    x = 803,184,968.77/30,453.54
  6. Step 6: Final answer
    x = 26,374.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.